WO2020041505A1 - Ensemble tubulaire et procédé de raccordement d'éléments tubulaires - Google Patents

Ensemble tubulaire et procédé de raccordement d'éléments tubulaires Download PDF

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Publication number
WO2020041505A1
WO2020041505A1 PCT/US2019/047556 US2019047556W WO2020041505A1 WO 2020041505 A1 WO2020041505 A1 WO 2020041505A1 US 2019047556 W US2019047556 W US 2019047556W WO 2020041505 A1 WO2020041505 A1 WO 2020041505A1
Authority
WO
WIPO (PCT)
Prior art keywords
tubular
threads
assembly
barrel
exterior
Prior art date
Application number
PCT/US2019/047556
Other languages
English (en)
Inventor
Clifford Moller
Marcos MONSALVO
Claudio Salassa
Robby BALDRIDGE
Julio Schmidt
Original Assignee
Jess Briley Manufacturing Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jess Briley Manufacturing Company filed Critical Jess Briley Manufacturing Company
Publication of WO2020041505A1 publication Critical patent/WO2020041505A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/32—Muzzle attachments or glands
    • F41A21/325—Mountings for muzzle attachments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/32—Muzzle attachments or glands
    • F41A21/40—Chokes for shotguns, e.g. automatic chokes

Definitions

  • FIG. 3 A is a perspective view of the shotgun choke adapter of FIG. 1A.
  • FIG. 3D is another perspective view of the shotgun choke adapter of FIG. 3 A.
  • FIG. 6D is a detail view of the tubular assembly of FIG. 6B at section B.
  • FIG. 6E is a side view of the tubular assembly of FIG. 6A, fully assembled together.
  • the tubular assembly and method of assembling tubulars, as disclosed herein is suitable for use for wrench-less connections of tubulars. That is, the tubulars of the tubular assembly may be coupled ( e.g ., threadably mated) without use of a wrench.
  • Second tubular 300 includes gripping surface 350 on body 340, proximate second end 303 of second tubular 300.
  • Gripping surface 350 provides a surface for users to grip second tubular 300, such as when connecting second tubular 300 to first tubular 200.
  • Gripping surface 350 may also provide an aesthetic feature to second tubular 300.
  • Gripping surface 350 may be or include knurling or another textured or roughened surface.
  • gripping surface 350 includes more than one surface texture. For example, as indicated in FIG. 2B, gripping surface 350 includes a relatively smooth textured portion, smooth surface 35 la, and a relatively rough textured portion (relative to the relatively smooth textured portion), roughened surface 35 lb.
  • FIGS. 4A-4C are additional views of the shotgun choke insert, showing details of the locking structure thereof.
  • Knurling 310 of second tubular 300 includes a plurality of knurls 311 arranged in series about the circumference of second tubular 300.
  • Knurls 311 may be arranged concentrically about a longitudinal central axis 357 of second tubular 300. Spaces or grooves 337 are positioned between each pair of adjacent knurls.
  • Each knurl 311 includes relatively flat, locking surface 317, top surface 329, and ramp 319.
  • Knurls 311 may be relatively straight knurls that extend parallel with axis 357.
  • Knurls 311 may form a ridge about second tubular 300.
  • the tubular assembly and method of assembling tubulars disclosed herein is used for wrench-less connections of tubulars that require additional holding forces without a mechanical lock, such as a key or pin, to keep the tubulars from turning loose from one another.
  • the multi-lead thread pitch is sufficiently course that it has little locking power.
  • Course threads produce high helix angles, which are not considered locking angles.
  • Fine threads produce low helix angles, which are considered locking angles.
  • a wrench may be used to tighten the associated threaded connection, forming a connection that will hold under high forces.
  • the use of a collet and knurling to lockingly engaged the tubulars provides for a sufficiently secure connection between the tubulars such that a reduced amount of threading (number of screw threads) on threads 230 and 320 are required than would otherwise be required on otherwise identical tubulars lacking the collet and knurls.
  • the use of a collet and knurling provides for a reduced number of turns of the tubulars relative to one another in order to screw the tubulars together.
  • the locking structures disclosed herein reduce the time and effort required in order to connect two tubulars together in a sufficiently strong manner for use of the tubular assembly in relatively high-force applications, such as firearm applications.
  • Embodiment 5 The tubular assembly of embodiment 3, wherein, when the first tubular and the second tubular are assembled, the knurls are frictionally engaged with the collet.
  • Embodiment 10 The tubular assembly of any of embodiments 1 to 9, wherein the first exterior threads of the second tubular are multi-lead threads.
  • Embodiment 16 The tubular assembly of any of embodiments 1 to 5 and 8 to 13, wherein the first tubular is a gun barrel or a portion of a gun barrel.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

L'invention concerne un ensemble tubulaire pour fixer des accessoires à des canons de fusil. L'ensemble comprend un premier élément tubulaire, comprenant des premiers filetages intérieurs sur une surface intérieure de celui-ci et un collet sur une première extrémité de celui-ci. L'ensemble comprend un second élément tubulaire, comprenant des premiers filetages extérieurs sur une surface extérieure de celui-ci. Les premiers filetages extérieurs s'apparient aux premiers filetages intérieurs. Le second élément tubulaire comprend une crête de stries sur la surface extérieure de celui-ci. La crête de stries est conçue pour venir en prise par frottement avec le collet lorsque le premier élément tubulaire et le second élément tubulaire sont assemblés.
PCT/US2019/047556 2018-08-21 2019-08-21 Ensemble tubulaire et procédé de raccordement d'éléments tubulaires WO2020041505A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862720759P 2018-08-21 2018-08-21
US62/720,759 2018-08-21

Publications (1)

Publication Number Publication Date
WO2020041505A1 true WO2020041505A1 (fr) 2020-02-27

Family

ID=69591101

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2019/047556 WO2020041505A1 (fr) 2018-08-21 2019-08-21 Ensemble tubulaire et procédé de raccordement d'éléments tubulaires

Country Status (2)

Country Link
US (2) US11092400B2 (fr)
WO (1) WO2020041505A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1040279S1 (en) * 2021-03-11 2024-08-27 M. Kevin Weir Choke tube for shotgun
US11761725B1 (en) 2022-12-13 2023-09-19 Oss Suppressors Llc Firearm suppressor mount with fouling reamer

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US4386477A (en) * 1981-06-19 1983-06-07 Jess Briley Shotgun choke modifier and method
US5415073A (en) * 1994-03-14 1995-05-16 Ciluffo; Gary Recoil reducer for rifle, handgun, or shotgun
US5698810A (en) * 1995-11-29 1997-12-16 Browning Arms Company Convertible ballistic optimizing system
US5814757A (en) * 1996-07-15 1998-09-29 Buss; Richard A. Muzzle brake
US20040045209A1 (en) * 2002-09-06 2004-03-11 Nielsen Douglas E. Apparatus and method for attaching devices to a weapon
US20070267869A1 (en) * 2004-09-10 2007-11-22 Patel Nilesh C Fluid Coupling Assembly with Integral Retention Mechanism
US20100275492A1 (en) * 2008-11-03 2010-11-04 Briley Manufacturing Co. Interchangeable screw choke and compensator for shotguns
US20140237881A1 (en) * 2013-02-27 2014-08-28 Allan Joseph Mack Firearm Suppressor Mounting Device
US20160097609A1 (en) * 2014-10-03 2016-04-07 Alexander Nikolaevich PENCHUK Barrel coupling for firearm

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386477A (en) * 1981-06-19 1983-06-07 Jess Briley Shotgun choke modifier and method
US5415073A (en) * 1994-03-14 1995-05-16 Ciluffo; Gary Recoil reducer for rifle, handgun, or shotgun
US5698810A (en) * 1995-11-29 1997-12-16 Browning Arms Company Convertible ballistic optimizing system
US5814757A (en) * 1996-07-15 1998-09-29 Buss; Richard A. Muzzle brake
US20040045209A1 (en) * 2002-09-06 2004-03-11 Nielsen Douglas E. Apparatus and method for attaching devices to a weapon
US20070267869A1 (en) * 2004-09-10 2007-11-22 Patel Nilesh C Fluid Coupling Assembly with Integral Retention Mechanism
US20100275492A1 (en) * 2008-11-03 2010-11-04 Briley Manufacturing Co. Interchangeable screw choke and compensator for shotguns
US20140237881A1 (en) * 2013-02-27 2014-08-28 Allan Joseph Mack Firearm Suppressor Mounting Device
US20160097609A1 (en) * 2014-10-03 2016-04-07 Alexander Nikolaevich PENCHUK Barrel coupling for firearm

Also Published As

Publication number Publication date
US20200072573A1 (en) 2020-03-05
US11092400B2 (en) 2021-08-17
US20210341248A1 (en) 2021-11-04

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